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  • strange behavior

    - by lego69
    I wrote simple script test echo hello <-- inside test if I press one time enter after hello, my script will run, if I don't press - it will not, if two times I'll receive my hello and + command was not found, can somebody please explain me this behavior thanks in advance

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  • Defining golang struct function using pointer or not

    - by Jacob
    Can someone explain to me why appending to an array works when you do this: func (s *Sample) Append(name string) { d := &Stuff{ name: name, } s.data = append(s.data, d) } Full code here But not when you do this: func (s Sample) Append(name string) { d := &Stuff{ name: name, } s.data = append(s.data, d) } Is there any reason at all why you would want to use the second example.

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  • [Django] How to post to a facebook page

    - by patrick
    Hi! I need to post a status update of one of my facebook page when I create a model into my django project, but I don't know how to do it using the new facebook graph api: http://github.com/facebook/python-sdk/blob/master/src/facebook.py can you explain to me how to do it? Thanks in advance :)

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  • IConnectableObservables in Rx

    - by Ray Booysen
    Hi there Can someone explain the differences between an Observable and a ConnectableObservable? The Rx Extensions documentation is very sparse and I don't understand in what cases the ConnectableObservable is useful. This class is used in the Replay/Prune methods.

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  • PowerShell question

    - by Ybbest
    Hey I got the following ps for retrieving the site template from SharePoint,but I do not quite undersantd what does the second half of the script( | ? {$_.IsHidden -eq $false }) does? Can someone explain this to me please as I am fairly new to PS. Get-SPWebTemplate | ? {$_.IsHidden -eq $false }

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  • Strange UPDATE syntax in MS Access 2003

    - by Sven
    Hi, I've got an Access application with an update query with the following syntax: UPDATE TABLE1, TABLE2 SET TABLE2.VALUE1 = TABLE1.VALUE1, TABLE2.VALUE2 = TABLE1.VALUE2, TABLE2.VALUE3 = TABLE1.VALUE3, TABLE2.VALUE4 = TABLE1.VALUE4 The query is working but I do not understand what's going on here. I'm trying to convert this query to SQL Server. Can somebody please explain what this query does? My guess is that it's a special Access syntax. Thanks, Sven

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  • How do i program a simple IRC bot in python?

    - by Jake
    Hi every one. I need help writing a basic IRC bot that just connects to a channel.. is anyone able to explain me this? I have managed to get it to connect to the IRC server but i am unable to join a channel and log on. The code i have thus far is: import sockethost = 'irc.freenode.org' port = 6667 join_sock = socket.socket() join_sock.connect((host, port)) <code here> Any help would be greatly appreciated.

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  • lr parsing table

    - by flufferok
    Could any1 explain how can i transform ll(1) parsing table to lr(1) parsing table? Or are there any tables already for lr1 mathematical parsing(+,-,/,*,^)?

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  • How to fill HTTP forms through java?

    - by Yatendra Goel
    I want to fill a text field of a HTTP form through java and then want to click on the submit button through java so as to get the page source of the document returned after submitting the form. I can do this by sending HTTP request directly but I don't to this in this way. Very Urgent. You can also paste the code or demo code to explain in a better way.

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  • Delphi: All constants are constant, but some are more constant than others?

    - by Ian Boyd
    Consider: clHotlight: TColor = $00FF9933; clLink = clHotLight; //alias of clHotlight [Error] file.pas: Constant expression expected and the alternate wording that works: clHotlight = TColor($00FF9933); clLink = clHotLight; //alias of clHotlight Explain. Then consider: AdministratorGUID: TGUID = '{DE44EEA0-6712-11D4-ADD4-0006295717DA}'; SuperuserGUID = AdministratorGUID; //alias of AdministratorGUID [Error] file.pas: Constant expression expected And fix.

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  • strange behaviour of grep in UNIX

    - by Happy Mittal
    When I type a command $ grep \\h junk then shell should interpret \\h as \h as two pairs of \ become \ each, and grep in turn, should interpret \h as \h as \ becomes \, so grep should search for a pattern \h in junk, which it is doing successfully. But it's not working for \\$. Please explain why ?

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  • javascript function

    - by user295189
    can someone explain what this function is doing var page = new Object(); page.testSearch.btnSearch.setState = function() { this.disable(!(page.testSearch.searchString.value.trim().length > 1)); } thanks

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  • How to concatenate 2 LPOLESTR

    - by BHOdevelopper
    Hi, i want to concatenate 2 strings in c++, i can't use char*. I tried the following but doesn't work: #define url L"http://domain.com" wstring s1 = url; wstring s2 = L"/page.html"; wstring s = s1 + s2; LPOLESTR o = OLESTR(s); I need a string with s1 and s2 concatenated. Any info or website that explain more about this ? Thanks.

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  • Working with arrays passed byref

    - by Jason
    I would like for someone to explain this to me: function myFunction(array){ array = $.grep(array, function(n,i){return n > 1 }); } var mainArray = [1,2,3]; myFunction(mainArray); document.write(mainArray) // 1,2,3, but i'm expecting 2,3 but if i do something like array[3] = 4; in place of the $.grep line, i get 1,2,3,4. Shouldn't mainArray become the new array created by $.grep?

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  • Writing SDK documentation, need useful beginner tutorials

    - by David Rutten
    I'm currently writing SDK documentation for one of our products, but for obvious reasons I don't want to talk about the essentials of OOP. Does anyone know any good online teaching material that explain (aimed at absolute beginners) concepts such as classes, inheritance, constructors, instances etc.? Preferably urls that are likely to survive for a couple of years to come... It's a DotNET SDK and we're including only VB and C# samples, so C++ or Delphi or Lisp material is not that useful.

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  • Error in ternary expression

    - by Bipul
    Consider the following code which shows compile time error : #include <stdio.h> int main(int argc, char** argv) { int x=5,y=0,z=2; int a=z?x,y?x:(y); // but z?x,y?x:y:z is not showing any error printf("%d",a); return 0; } Please help me explain the reason why z?x,y?x:y:z is not showing any error?

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  • Counting amount of items in Pythons 'for'

    - by Markum
    Kind of hard to explain, but when I run something like this: fruits = ['apple', 'orange', 'banana', 'strawberry', 'kiwi'] for fruit in fruits: print fruit.capitalize() It gives me this, as expected: Apple Orange Banana Strawberry Kiwi How would I edit that code so that it would "count" the amount of times it's performing the for, and print this? 1 Apple 2 Orange 3 Banana 4 Strawberry 5 Kiwi

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